16220240

素因数分解:

$2^4\times 5^1\times {\mathrm{202753}}^1$

素因数の和:202766

約数の個数: 20

約数和(自身を含む): 37712244

約数和(自身を除く): 21492004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 202753, 405506, 811012, 1013765, 1622024, 2027530, 3244048, 4055060, 8110120, 16220240]

約数ペア:

[(1, 16220240), (2, 8110120), (4, 4055060), (5, 3244048), (8, 2027530), (10, 1622024), (16, 1013765), (20, 811012), (40, 405506), (80, 202753)]